What is at least a little bit sure is that the R-type transformer is not too easy to do well. Use it to do small current preamplifier and CD phono power supply can be, if used to do the power supply of the rear amplifier, there are more serious defects. Because the R-type transformer itself is not easy to change the structure of the form, while the ring and EI-type is relatively easy to change the structure to achieve the purpose of beautiful sound. Power amplifier power supply made with R-type transformers, usually the sound is very stiff and lack of spirit, low-frequency often do not have the bounce and appear to be hard.
Three, the transformer core of the silicon steel sheet contains more silicon, the better?
Not seen, the size of the silicon steel sheet silicon content on the quality of the transformer is not a big impact, and orientation and non-orientation and the core of the model has a relationship. Secondly, even the same type of iron core if you process processing is not good, then the quality difference is also very big